Question

Si: a + b + c = 18
hallar: abc + bca + cab​

Answer 1

54

Explanation:

a + b + c = 18

abc + bca + cab = ???

18 / 3 = 6

a = ? = 6

b = ? = 6

c = ? = 6

(6 + 6 + 6) + (6 + 6 + 6) + (6 + 6 + 6)

(18) + (18) + (18)

abc + bca + cab = 54

Answer 2

abc + bca + cab

abc(1+1+1)

3×18

54